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Quandl vs UUID Generator API

Same instrument, two spec sheets — measured, not claimed.

APIQuandlHEALTHY88UUID Generator APIHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms823737
P95 · ms35251570
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Quandl vs UUID Generator API: common questions

Which is more reliable, Quandl or UUID Generator API?

Both are neck-and-neck — Quandl and UUID Generator API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Quandl or UUID Generator API?

UUID Generator API has the lower median latency in our checks — Quandl responds in 823 ms versus UUID Generator API at 737 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Quandl and UUID Generator API need an API key?

Neither needs a paid key — Quandl is callable with no signup, and UUID Generator API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Quandl and UUID Generator API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Quandl and UUID Generator API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Quandl and UUID Generator API free for commercial use?

Quandl has unclear commercial terms, and UUID Generator API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.